DE69825268T2 - METHOD FOR PRODUCING A PACKAGING MATERIAL ORNATED WITH PRINTING INK - Google Patents
METHOD FOR PRODUCING A PACKAGING MATERIAL ORNATED WITH PRINTING INK Download PDFInfo
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- DE69825268T2 DE69825268T2 DE1998625268 DE69825268T DE69825268T2 DE 69825268 T2 DE69825268 T2 DE 69825268T2 DE 1998625268 DE1998625268 DE 1998625268 DE 69825268 T DE69825268 T DE 69825268T DE 69825268 T2 DE69825268 T2 DE 69825268T2
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- Prior art keywords
- packaging material
- printing ink
- polyethylene
- packs
- sheet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
- B41M1/305—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials using mechanical, physical or chemical means, e.g. corona discharge, etching or organic solvents, to improve ink retention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/08—Surface shaping of articles, e.g. embossing; Apparatus therefor by flame treatment ; using hot gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0633—LDPE, i.e. low density polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/086—EVOH, i.e. ethylene vinyl alcohol copolymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/75—Printability
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/62—Boxes, cartons, cases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24835—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
- Y10T428/24901—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material including coloring matter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31895—Paper or wood
- Y10T428/31899—Addition polymer of hydrocarbon[s] only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31895—Paper or wood
- Y10T428/31899—Addition polymer of hydrocarbon[s] only
- Y10T428/31902—Monoethylenically unsaturated
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Description
TECHNISCHES GEBIETTECHNICAL AREA
Die vorliegende Erfindung betrifft ein Verfahren bei der Herstellung eines mit Druckfarbe dekorierten Verpackungsmaterials vom Typ Laminat, der eine äußere Beschichtung aus Polyethylen aufweist, die als Träger der Verzierung dient und bevorzugt Polyethylen niedriger Dichte (LDPE) ist, auf deren Außenseite eine Verzierung aus wasserhaltiger Drucktinte aufgebracht ist. Insbesondere betrifft die vorliegende Erfindung ein Verfahren bei der Herstellung eines solchen Verpackungsmaterials für aseptische Packungen des Typs, das aus einer Bahn aus einem Verpackungsmaterial hergestellt wird, die für Sterilisierungszwecke durch ein Bad aus Wasserstoffperoxid geführt wird, bevor die Bahn zu fertigen aseptischen Packungen umgeformt wird.The The present invention relates to a method in the manufacture a packaging material of the laminate type decorated with printing ink, which is an outer coating made of polyethylene, which serves as a support for the ornament and preferably low density polyethylene (LDPE) is on the outside an ornament made of water-based printing ink is applied. In particular The present invention relates to a method in the manufacture of such packaging material for aseptic packs of Type made from a web of packaging material will that for Sterilization purposes is carried out through a bath of hydrogen peroxide, before the sheet is formed into finished aseptic packs.
STAND DER TECHNIKSTATE OF THE ART
Verpackungsmaterialien des oben beschriebenen Typs sind im Stand der Technik bekannt und werden häufig bei der Herstellung von formstabilen, flüssigkeitsdichten Packungen für flüssige Nahrungsmittel hergestellt.packaging materials of the type described above are known in the art and will be frequently in the manufacture of dimensionally stable, liquid-tight packs for liquid foods manufactured.
Solch ein Verpackungsmaterial aus dem Stand der Technik weist eine Kernschicht aus steifem, aber faltbarem Papier und äußere, flüssigkeitsdichte Beschichtungen aus Polyethylen, bevorzugt Polyethylen niedriger Dichte (LDPE) auf, wobei auf der Außenseite der einen Beschichtung dekorative graphische Darstellungen (im folgenden als Verzierung bezeichnet) aus einer wasserhaltigen Drucktinte aufgebracht sind. Ein ähnliches Verpackungsmaterial aus dem Stand der Technik für aseptische Packungen unterscheidet sich von dem anderen im wesentlichen nur dadurch, daß es auch eine Schicht aufweist, die als Gassperre dient und zwischen der Kernschicht und einer der zwei äußeren Polyethylenbeschichtungen angeordnet ist, die dazu gedacht ist, daß sie so gedreht ist, daß sie nach innen gewandt ist, wenn das Verpackungsmaterial zu Packungen umgeformt wird. Das Material in der als Gassperre dienenden Schicht kann ein sogenanntes Sperrpolymer sein, beispielsweise Polyamid, Polyester, oder Ethylenvinylalkoholcoplymer (EVOH), besteht aber allgemein meist aus einer Aluminiumfolie (sogenannte Alu-Folie; "Ali-foil").Such a packaging material from the prior art has a core layer made of stiff but foldable paper and outer, liquid-tight coatings made of polyethylene, preferably low density polyethylene (LDPE), being on the outside one coating decorative graphical representations (hereinafter referred to as an ornament) applied from a water-based printing ink are. A similar State of the art packaging material for aseptic packs differs essentially different from the other only in that it too has a layer that serves as a gas barrier and between the core layer and one of the two outer polyethylene coatings is arranged, which is intended that it is rotated so that it after is turned inside when the packaging material is converted into packs becomes. The material in the gas barrier layer can be a be a so-called barrier polymer, for example polyamide, polyester, or ethylene vinyl alcohol copolymer (EVOH), but generally exists mostly from an aluminum foil (so-called aluminum foil; "Ali-foil").
Verpackungsmaterial des beschriebenen Typs aus dem Stand der Technik wird herkömmlich dadurch hergestellt, daß eine Bahn aus steifem, aber faltbarem Papier mit Polyethylen, bevorzugt Polyethylen niedriger Dichte (LDPE) beschichtet wird, das auf beide Seiten der Bahn zur Bildung von äußeren flüssigkeitsdichten Beschichtungen extrudiert wird. Die kunststoffbeschichtete Papierbahn wird danach mit der gewünschten Verzierung versehen, die mittels einer herkömmlichen Drucktechnik auf die Außenseite einer der beiden äußeren Polyethylen-Beschichtungen aufgebracht wird, d. h. diejenige Beschichtung, die dazu gedacht ist, daß sie nach außen gewandt ist, wenn das Verpackungsmaterial in Packungen umgeformt werden soll.packing material of the type described in the prior art is traditionally thereby made that a Sheet of stiff but foldable paper with polyethylene, preferred Low density polyethylene (LDPE) is coated on both Sides of the web to form outer liquid-tight Coatings is extruded. The plastic-coated paper web is then with the desired one Decorate that by means of a conventional printing technique on the outside one of the two outer polyethylene coatings is applied, d. H. the coating that was intended for this is, that you facing the outside is when the packaging material is transformed into packs should.
Ein Verpackungsmaterial des Typs für aseptische Packungen aus dem Stand der Technik wird im wesentlichen auf die gleiche Weise wie das erstere Material hergestellt, mit der Ausnahme, daß die kunststoffbeschichtete, unverzierte Bahn mit einer Sperr schicht, z. B. einer Alu-Folie an einer Seite der Bahn versehen wird, bevor die Bahn mit Drucktinte bedruckt wird.On Packaging material of the type for Aseptic packs from the prior art are essentially made in the same way as the former material, with except that the plastic-coated, plain sheet with a barrier layer, e.g. B. an aluminum foil one side of the web is printed before the web is printed with printing ink becomes.
Heutzutage werden formstabile, flüssigkeitsdichte Packungen allgemein meist aus einem solchen Verpackungsmaterial mit Hilfe von modernen Hochgeschwindigkeitsverpackungs- und Füllmaschinen hergestellt, die entweder aus einer Bahn oder aus vorgefertigten Bogenrohlingen aus dem Verpackungsmaterial die Packungen formen, füllen und versiegeln. Aus einer Bahn werden die Packungen beispielsweise hergestellt, indem die Bahn zunächst in einen Schlauch umgeformt wird, indem beide Längskanten der Bahn miteinander in einer Überlappungsverbindungsversiegelung verbunden werden. Der Schlauch wird mit den betreffenden Inhaltsstoffen, beispielsweise einem flüssigen Nahrungsmittel, gefüllt und durch wiederholte Querversiegelungen, quer zu der Längsachse des Schlauchs unterhalb des Niveaus der Inhaltsstoffe in dem Schlauch in geschlossene, gefüllte Packungen zerteilt. Die Packungen werden durch Einschnitte oder Schnitte in den Querversiegelungszonen voneinander getrennt und erhalten dann die gewünschte geometrische, normalerweise quaderförmige Ausgestaltung durch eine zusätzliche Form- und Versiegelungsoperation zur Bildung der fertigen Packungen.nowadays become dimensionally stable, liquid-tight Packs generally made from such packaging material with the help of modern high-speed packaging and filling machines manufactured either from a web or from prefabricated Form blanks from the packaging material into the packs, to fill and seal. For example, the packs are made from a web manufactured by the web first in a tube is reshaped by joining both longitudinal edges of the web together in an overlap joint seal get connected. The hose is filled with the relevant ingredients, for example a liquid Food stuffed and by repeated transverse seals, transverse to the longitudinal axis of the hose below the level of the ingredients in the hose in closed, filled Packs cut up. The packs are made by incisions or Cuts in the transverse sealing zones separated and preserved then the one you want Geometric, normally cuboid design by an additional Forming and sealing operation to form the finished packages.
Aseptische Packungen werden grundsätzlich auf die gleiche Weise wie oben hergestellt, aber mit dem wesentlichen Unterschied, daß das Verpackungsmaterial und die Inhaltsstoffe vor der Füllphase sterilisiert werden, und daß die Füllphase in einer sterilen Umgebung stattfindet, um eine Reinfizierung der sterilisierten Inhaltsstoffe zu vermeiden.aseptic Packs are basically made in the same way as above, but with the essentials Difference that that Packaging material and the ingredients before the filling phase be sterilized, and that the filling phase takes place in a sterile environment to reinfect the avoid sterilized ingredients.
Die Sterilisierung des Verpackungsmaterials findet häufig mit Hilfe eines chemischen Sterilisierungsmittels statt, normalerweise einer wäßrigen Lösung von Wasserstoffperoxid, mit dem derjenige Teil des Verpackungsmaterials in Kontakt gebracht wird, der in der Grenzfläche mit den sterilisierten Inhaltsstoffen liegt. Allerdings wird häufig das gesamte Material sterilisiert, indem die Bahn aus Verpackungsmaterial vor dem oben beschriebenen Umformen zu einem Schlauch nach unten in und durch ein Bad aus wäßrigem Wasserstoffperoxid geführt wird, das über einen bestimmten Zeitraum auf die Bahn einwirken darf, um unerwünschte, insbesondere pathogene Mikroorganismen zu beseitigen.The packaging material is often sterilized with the aid of a chemical sterilizing agent, usually an aqueous solution of hydrogen peroxide, with which that part of the packaging material which is in the interface with the sterilized ingredients is brought into contact. However, all of the material is often sterilized by moving the sheet of packaging material down into and through a bath prior to forming it into a tube aqueous hydrogen peroxide is guided, which may act on the web for a certain period of time in order to eliminate unwanted, in particular pathogenic, microorganisms.
Drucktinten für die beschriebene Anwendung in Verbindung mit Verpackungsmaterialien sind oft wasserhaltig und erfordern deshalb, daß die Oberfläche, auf die sie aufgebracht werden sollen ausreichend hydrophil ist, um eine gute Haftung zwischen der wasserhaltigen Drucktinte und der Druckfläche zu erreichen.printing inks for the described application in connection with packaging materials are often watery and therefore require that the surface be on which they are intended to be applied is sufficiently hydrophilic to good adhesion between the water-based printing ink and the Printing area too to reach.
Eine Oberfläche aus Polyethylen, z. B. LDPE, das bei dem Verpackungsmaterial aus dem Stand der Technik als Druckfläche verwendet wird, ist allerdings hydrophob (wasserabweisend) und muß deshalb modifiziert werden, damit die wasserhaltige Drucktinte absorbiert wird und mit guter Haftung an der Oberfläche haftet. Für die Zwecke der geförderten Haftung wird das Verpackungsmaterial deshalb nach der Technik aus dem Stand der Technik einer Oberflächenbehandlung unterzogen, die die Polarität ändert, normalerweise einer Korona-Behandlung, als deren Ergebnis die Polyethylenoberfläche den gewünschten hydrophilen Charakter erhält.A surface made of polyethylene, e.g. B. LDPE, which in the packaging material the prior art is used as a printing surface, however hydrophobic (water-repellent) and must therefore be modified, so that the water-based printing ink is absorbed and with good Adhesion to the surface liable. For the purposes of the funded The packaging material is therefore liable according to the technology subject to the state of the art surface treatment, that changes polarity, usually a corona treatment, the result of which is the polyethylene surface desired receives hydrophilic character.
Während es vorher möglich war, mit Druckfarbe dekorierte Verpackungsmaterialien des in der Einleitung beschriebenen Typs mit guter Haftung zwischen der wasserhaltigen Drucktinte und der äußeren Polyethylenbeschichtung herzustellen, hat sich überraschenderweise herausgestellt, daß ein solches Verpackungsmaterial insbesondere für aseptische Packungen auf einfache Weise und unter Verwendung einfacher Mittel beträchtlich verbessert werden kann.While it possible beforehand was, packaging materials decorated with printing ink in the introduction described type with good adhesion between the water-containing Printing ink and the outer polyethylene coating manufacturing has surprisingly found that a such packaging material in particular for aseptic packs simple and considerable using simple means can be improved.
AUFGABE DER ERFINDUNGOBJECT OF THE INVENTION
Eine Aufgabe der vorliegenden Erfindung liegt deshalb darin, anzugeben, wie ein solches verbessertes Verpackungsmaterial insbesondere für aseptische Packungen hergestellt werden kann.A The object of the present invention is therefore to specify such as an improved packaging material especially for aseptic Packs can be made.
LÖSUNGSOLUTION
Diese Aufgabe ist nach der vorliegenden Erfindung durch das in Anspruch 1 dargelegte Verfahren gelöst.This Object is according to the present invention by the claim 1 described method solved.
ABRISS DER ERFINDUNGSUMMARY OF THE INVENTION
Indem die vorher verwendete Korona-Behandlung durch eine sogenannte Flammbehandlung ersetzt wird, ist es nach der vorliegenden Erfindung möglich, ein mit Druckfarbe verziertes Verpackungsmaterial herzustellen, das nicht nur in einer dunstigen Umgebung über lange Lagerzeiten gelagert werden kann, ohne daß die Verzierung ihre Klarheit und Frische verliert, sondern das auch, wie oben beschrieben, mit wäßrigem Wasserstoffperoxid sterilisiert werden kann, mit beträchtlich niedrigerem Verbrauch von Wasserstoffperoxid als das korona-behandelte, mit Drucktinte verzierte Verpackungsmaterial.By doing the previously used corona treatment was replaced by a so-called flame treatment is, according to the present invention, it is possible to use a decorated with printing ink Manufacture packaging material that is not just for a long time in a hazy environment Storage times can be stored without the adornment being clear and loses freshness, but also as described above aqueous hydrogen peroxide can be sterilized with significantly lower consumption of Hydrogen peroxide as the corona-treated, decorated with printing ink Packing material.
Die Erklärung für die unerwarteten hervorragenden Ergebnisse, die mit dem Verfahren nach der vorliegenden Erfindung erreicht wurden, hat eng mit der Oberflächenbehandlung zu tun, die für die Zwecke der Förderung der Haftung durchgeführt wird. Selbst wenn eine Korona-Behandlung ausreichend wirksam ist, um die gewünschte Modifizierung (Änderung der Polarität) einer Polyethylen-Beschichtung zu realisieren, ist sie gleichzeitig so mächtig, daß die Polyethylen-Beschichtung "aufgebrochen" wird, wenn sie von den Korona-Entladungen getroffen wird. Solche "aufgebrochenen" Bereiche ermangeln ganz oder teilweise hydrophiler Sitze, die erforderlich sind, damit die wasserhaltige Drucktinte mit guter Haftung haftet, wobei im Ergebnis die Drucktinte also nur teilweise innerhalb dieser Bereiche haftet. Die Gefahr einer Wechselwirkung zwischen Drucktinte und Feuchtigkeit oder Flüssigkeit, mit welcher das mit Drucktinte verzierte Verpackungsmaterial während der Lagerung in Kontakt kommen kann, hat also innerhalb dieser "aufgebrochenen" Bereiche zugenommen, mit der resultierenden Wirkung auf die aufgebrachte Drucktinte, die ihre Qualität beeinträchtigt oder zerstört.The Explanation for the unexpected excellent results with the procedure after of the present invention has been closely related to the surface treatment to do that for the purposes of promotion liability becomes. Even if corona treatment is effective, to the one you want Modification (change the polarity) realizing a polyethylene coating is at the same time so powerful that the polyethylene coating is "broken" when it is the corona discharges. Such "broken" areas are wholly or partially lacking hydrophilic seats that are required to keep the water Printing ink adheres with good adhesion, resulting in the printing ink therefore only partially liable within these areas. The danger an interaction between printing ink and moisture or liquid, with which the packaging material decorated with printing ink during the Storage can come into contact, has increased within these "broken" areas, with the resulting effect on the applied printing ink, their quality impaired or destroyed.
Das Problem mit aufgebrochenen Materialbereichen ist besonders ernst, wenn das Verpackungsmaterial wie bei der Herstellung von aseptischen Packungen für Sterilisierungszwecke durch ein Bad aus einer wäßrigen Wasserstoffperoxidlösung geführt wird. Abgesehen von der Tatsache, daß die Drucktinte mit dem Wasser in dem Bad in Kontakt gelangt und damit in Wechselwirkung tritt, wird Wasserstoffperoxid auch von hydrophilen Sitzen in der Polyethylenbeschichtung in aufgebrochenen Bereichen außerhalb der aufgebrachten Drucktintenverzierung angezogen, mit dem Ergebnis eines übermäßigen Wasserstoffperoxidverbrauchs.The Problem with broken material areas is particularly serious if the packaging material as in the manufacture of aseptic Packs for Sterilization purposes is passed through a bath of an aqueous hydrogen peroxide solution. Aside from the fact that the Printing ink comes into contact with the water in the bath and with it interacts, hydrogen peroxide also becomes hydrophilic Sitting in the polyethylene coating in broken areas outside the applied printing ink ornament attracted, with the result excessive hydrogen peroxide consumption.
KURZE BESCHREIBUNG DER BEIGEFÜGTEN ZEICHNUNGBRIEF DESCRIPTION OF THE ATTACHED DRAWING
Die vorliegende Erfindung wird im folgenden unter Bezug auf die beigefügten Zeichnung im einzelnen beschrieben, die schematisch einen Querschnitt eines Verpackungsmaterials zeigt, das unter Verwendung des Verfahrens nach der vorliegenden Erfindung insbesondere für aseptische Packungen hergestellt wurde.The The present invention will hereinafter be described with reference to the accompanying drawings described in detail, which schematically shows a cross section of a Packaging material shows that using the procedure manufactured according to the present invention especially for aseptic packs has been.
BESCHREIBUNG DER BEVORZUGTEN AUSFÜHRUNGSFORMDESCRIPTION OF THE PREFERRED Embodiment
In
der beigefügten
Zeichnung erhielt das Verpackungsmaterial nach der Erfindung die
generische Bezugsziffer
Aus
der Zeichnung wird deutlich, daß die äußere Polyethylen-Beschichtung
Erfindungsgemäß wird das
Verpackungsmaterial
Damit
eine gute Haftung zwischen der wasserhaltigen Drucktinte und der äußeren Polyethylen-Beschichtung
Bei praktischen Vergleichsexperimenten hat sich erwiesen, daß ein Verpackungsmaterial für aseptische Packungen nach der Erfindung, wie es in der beigefügten Zeichnung gezeigt ist, bis zu 70 Prozent weniger Wasserstoffperoxid verbraucht als ein korona-behandeltes Verpackungsmaterial der gleichen strukturellen Aufmachung aus dem Stand der Technik, wenn das Verpackungsmaterial zu Sterilisierungszwecken durch ein Bad aus Wasserstoffperoxid geführt wird, wie bei der Herstellung von aseptischen Packungen.at practical comparative experiments have shown that a packaging material for aseptic Packs according to the invention, as shown in the accompanying drawing is shown uses up to 70 percent less hydrogen peroxide as a corona treated packaging material of the same structural Featuring state of the art when the packaging material is passed through a hydrogen peroxide bath for sterilization purposes, as in the manufacture of aseptic packs.
Aus der vorhergehenden Beschreibung wird also deutlich, daß die vorliegende Erfindung auf einfache Weise und unter Verwendung einfacher Mittel für die Herstellung eines mit Drucktinte verzierten Verpackungsmaterials, insbesondere für aseptische Packungen, mit überraschend guten und unerwarteten Vorteilen sorgt.Out It is clear from the preceding description that the present Invention in a simple manner and using simple means of manufacture a packaging material decorated with printing ink, in particular for aseptic packs, with surprising good and unexpected benefits.
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9701787 | 1997-05-14 | ||
SE9701787A SE512464C2 (en) | 1997-05-14 | 1997-05-14 | Process for the preparation of a printing ink-packed packaging material, and packaging containers thereof |
PCT/SE1998/000869 WO1998051492A1 (en) | 1997-05-14 | 1998-05-12 | A method in the production of a printing ink-decorated packaging material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69825268D1 DE69825268D1 (en) | 2004-09-02 |
DE69825268T2 true DE69825268T2 (en) | 2004-12-09 |
Family
ID=20406929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1998625268 Expired - Fee Related DE69825268T2 (en) | 1997-05-14 | 1998-05-12 | METHOD FOR PRODUCING A PACKAGING MATERIAL ORNATED WITH PRINTING INK |
Country Status (10)
Country | Link |
---|---|
US (1) | US6383450B1 (en) |
EP (1) | EP0981439B1 (en) |
JP (1) | JP2001525768A (en) |
AU (1) | AU7559198A (en) |
BR (1) | BR9809813A (en) |
DE (1) | DE69825268T2 (en) |
ES (1) | ES2221170T3 (en) |
SE (1) | SE512464C2 (en) |
TW (1) | TW397775B (en) |
WO (1) | WO1998051492A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE518328C2 (en) * | 2000-05-25 | 2002-09-24 | Tetra Laval Holdings & Finance | Method and apparatus for length measurement of packaging webs |
US20050246238A1 (en) * | 2004-04-28 | 2005-11-03 | Motorola, Inc. | Item of interest marking and posting system and method |
US7571810B2 (en) | 2005-09-08 | 2009-08-11 | One Source Industries, Llc | Printed packaging |
US20080087370A1 (en) * | 2006-10-13 | 2008-04-17 | Custom Adhesive Products, Llc | Splicing Tape |
US7985483B2 (en) * | 2006-11-16 | 2011-07-26 | Smarthealth, Inc. | Digital printing of low volume applications |
US20090038977A1 (en) | 2007-02-08 | 2009-02-12 | One Source Industries, Llc | Printed packaging |
JP2013052657A (en) * | 2011-09-06 | 2013-03-21 | Sakata Corp | Polyethylene laminated paper |
US9855724B1 (en) | 2017-02-10 | 2018-01-02 | Custom Adhesive Products Llc | Splice tape with internal, interlayer separation interface |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4133710A (en) | 1975-01-21 | 1979-01-09 | Cordotex Sa | Method for forming a polyethylene layer on a substrate |
SE447885B (en) | 1978-06-26 | 1986-12-22 | Tetra Pak Int | FOR PACKAGES PROVIDED FOR LAMINATE MATERIALS WITH SEALING LAYERS WHICH ARE HEATABLE BY A HIGH FREQUENCY ELECTRICAL FIELD |
GB8423675D0 (en) | 1984-09-19 | 1984-10-24 | Suecia Antiqua Ltd | Manufacture of sheet-like/web-like material |
DE4109368A1 (en) * | 1991-03-22 | 1992-09-24 | Hoechst Ag | Biaxially oriented co:extruded laminate film for packaging - has base sheet of polypropylene@ and top sheet of mixt. of alpha-olefin] terpolymer and alpha-olefin] copolymer treated by polarised flame |
SE502397C2 (en) | 1991-05-03 | 1995-10-16 | Tetra Laval Holdings & Finance | Packaging laminates with good sealing and barrier properties as well as packaging containers made by the packaging laminate |
US5088643A (en) * | 1991-09-26 | 1992-02-18 | Westvaco Company | Method for bonding pour spouts to containers |
SE506880C2 (en) | 1992-07-01 | 1998-02-23 | Betzdearborn Inc | Sterilization procedure and composition |
US5401562A (en) * | 1992-03-27 | 1995-03-28 | Fuji Photo Film Co., Ltd. | Paper material for photosensitive materials and method of producing the same |
WO1994014606A1 (en) | 1992-12-21 | 1994-07-07 | Mobil Oil Corporation | Multi-layer high opacity film structures |
US5372985A (en) * | 1993-02-09 | 1994-12-13 | Minnesota Mining And Manufacturing Company | Thermal transfer systems having delaminating coatings |
-
1997
- 1997-05-14 SE SE9701787A patent/SE512464C2/en not_active IP Right Cessation
-
1998
- 1998-05-12 AU AU75591/98A patent/AU7559198A/en not_active Abandoned
- 1998-05-12 US US09/423,718 patent/US6383450B1/en not_active Expired - Fee Related
- 1998-05-12 ES ES98923257T patent/ES2221170T3/en not_active Expired - Lifetime
- 1998-05-12 JP JP54913998A patent/JP2001525768A/en active Pending
- 1998-05-12 WO PCT/SE1998/000869 patent/WO1998051492A1/en active IP Right Grant
- 1998-05-12 DE DE1998625268 patent/DE69825268T2/en not_active Expired - Fee Related
- 1998-05-12 EP EP19980923257 patent/EP0981439B1/en not_active Expired - Lifetime
- 1998-05-12 BR BR9809813A patent/BR9809813A/en not_active IP Right Cessation
- 1998-06-16 TW TW87109565A patent/TW397775B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6383450B1 (en) | 2002-05-07 |
ES2221170T3 (en) | 2004-12-16 |
TW397775B (en) | 2000-07-11 |
WO1998051492A1 (en) | 1998-11-19 |
SE9701787D0 (en) | 1997-05-14 |
JP2001525768A (en) | 2001-12-11 |
EP0981439B1 (en) | 2004-07-28 |
AU7559198A (en) | 1998-12-08 |
EP0981439A1 (en) | 2000-03-01 |
DE69825268D1 (en) | 2004-09-02 |
SE9701787L (en) | 1998-11-15 |
SE512464C2 (en) | 2000-03-20 |
BR9809813A (en) | 2000-06-27 |
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